x^2+35x+5=0

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Solution for x^2+35x+5=0 equation:


Simplifying
x2 + 35x + 5 = 0

Reorder the terms:
5 + 35x + x2 = 0

Solving
5 + 35x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + 35x + -5 + x2 = 0 + -5

Reorder the terms:
5 + -5 + 35x + x2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 35x + x2 = 0 + -5
35x + x2 = 0 + -5

Combine like terms: 0 + -5 = -5
35x + x2 = -5

The x term is 35x.  Take half its coefficient (17.5).
Square it (306.25) and add it to both sides.

Add '306.25' to each side of the equation.
35x + 306.25 + x2 = -5 + 306.25

Reorder the terms:
306.25 + 35x + x2 = -5 + 306.25

Combine like terms: -5 + 306.25 = 301.25
306.25 + 35x + x2 = 301.25

Factor a perfect square on the left side:
(x + 17.5)(x + 17.5) = 301.25

Calculate the square root of the right side: 17.356554958

Break this problem into two subproblems by setting 
(x + 17.5) equal to 17.356554958 and -17.356554958.

Subproblem 1

x + 17.5 = 17.356554958 Simplifying x + 17.5 = 17.356554958 Reorder the terms: 17.5 + x = 17.356554958 Solving 17.5 + x = 17.356554958 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-17.5' to each side of the equation. 17.5 + -17.5 + x = 17.356554958 + -17.5 Combine like terms: 17.5 + -17.5 = 0.0 0.0 + x = 17.356554958 + -17.5 x = 17.356554958 + -17.5 Combine like terms: 17.356554958 + -17.5 = -0.143445042 x = -0.143445042 Simplifying x = -0.143445042

Subproblem 2

x + 17.5 = -17.356554958 Simplifying x + 17.5 = -17.356554958 Reorder the terms: 17.5 + x = -17.356554958 Solving 17.5 + x = -17.356554958 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-17.5' to each side of the equation. 17.5 + -17.5 + x = -17.356554958 + -17.5 Combine like terms: 17.5 + -17.5 = 0.0 0.0 + x = -17.356554958 + -17.5 x = -17.356554958 + -17.5 Combine like terms: -17.356554958 + -17.5 = -34.856554958 x = -34.856554958 Simplifying x = -34.856554958

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.143445042, -34.856554958}

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